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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Test log sheet detailing conditions, results, and remarks for a series of component tests.

Identifier  ExFiles\Box 179b\3\  img197
Date  1st February 1932
  
-7-
HS{Lord Ernest Hives - Chair}/Ud.1/AHA.2.32 contd.

Test No. Test Conditions & Results. Remarks.

2e. ditto. New Bosch nozzle. Tubes Power fairly
in inlet port as in Test 2b. steady.
Mean B.M.E.P. 90 lbs/sq.in.

2f. ditto. Nozzle used in 2a. No Power drop occurred
tubes in inlet ports. Power after 5 mins.
dropped suddenly from 88 lbs/
sq.in. to 81 lbs/sq.in.

2g. ditto. New R.R.-Bosch nozzle Maximum pressure
Power dropped after 15 mins. in cylinder
from 88 lbs/sq.in. BMEP. to uncertain.
81 lbs/sq.in.

2h. Repeat of 2g. Initial power Initial power equi-
97.5 lbs/sq.in. B.M.E.P. valent to C.1.1.
falling to 94 lbs. after Power fell off later
10 mins. and then fairly
steady at 94 lbs/sq
in. Occasional puff
of black smoke
from exhaust.

2i. Power checked with new pump Object, to ensure
element. 93.6 lbs/sq.in. that loss of power
B.M.E.P. Sp.{Mr Spinney}Cons. .494 lbs/ and exhaust puffs
BHP/Hr. not due to pump
barrel.

2j. Unloading valve in Bosch pump Check test on effect
replaced by 1/4" dia. steel of unloading valve
ball. Power 97.8 lbs/sq.in. on power loss.
B.M.E.P., sp.{Mr Spinney}cons. .470 lbs/ Initial power up
BHP/Hr. falling to 87.5 lbs/sq." to C.1.1 but not
and .522 lbs/BHP/Hr. after maintained.
7 mins.

2k. New Bosch nozzle. 3 hour test Object to find
readings of power & consumption effect of jacket
every 5 mins. at various jacket temp. on power loss.
water temps. 1 hr. 40 mins. Power less at lower
at 100°C. 1 hr. at 24°C. jacket temperature.
Fig.7.

2l. New Bosch nozzle. 2 hr.10 mins. Object to determine
test at normal jacket temp. of variation in power
75°C. Constant power 88 lbs/sq. with time at normal
for first hour, falling to 85 lbs. jacket temperature.
Fig.8.
  
  


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